From f209dc3a24987419c3f7ad9fbe3fe2b4dfb16427 Mon Sep 17 00:00:00 2001 From: Nao Pross Date: Fri, 25 Aug 2017 10:26:21 +0200 Subject: implements pio.h functions and makefile update to optimize size - remove syscall.h, unused and not implemented - bug fix for memcmp() in string.c other changes are still partially unfinished and might not work --- sw/z80/kernel/include/drivers/pio.h | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'sw/z80/kernel/include/drivers') diff --git a/sw/z80/kernel/include/drivers/pio.h b/sw/z80/kernel/include/drivers/pio.h index 5d289ca..0df2ed0 100644 --- a/sw/z80/kernel/include/drivers/pio.h +++ b/sw/z80/kernel/include/drivers/pio.h @@ -7,25 +7,27 @@ #define PIO_A 0 #define PIO_B 1 -#define PIO_MODE_0 0 -#define PIO_MODE_1 1 -#define PIO_MODE_2 2 -#define PIO_MODE_3 3 +#define PIO_MODE_BYTE_IN 0 +#define PIO_MODE_BYTE_OUT 1 +#define PIO_MODE_BYTE_BI 2 +#define PIO_MODE_BIT_IO 3 #define PIO_INT_ACTIVE_HIGH (1<<5) #define PIO_INT_AND_MODE (1<<6) #define PIO_INT_ENABLE (1<<7) -void _pio_data(int port, uint8_t data); -void _pio_command(int port, uint8_t cmd); +inline void _pio_data(int port, uint8_t data); +inline void _pio_control(int port, uint8_t cmd); + +void pio_set_mode(int port, int mode, uint8_t io); -void pio_set_mode(int port, int mode); void pio_set_interrupts(int port, int control); -void pio_set_interrupts_mask(int port, uint8_t mask); -void pio_set_io(int port, uint8_t io); +void pio_set_interrupts_mask(int port, int control, uint8_t mask); // uint8_t pio_read_data(int port); +uint8_t pio_read(int port); +void pio_write(int port, uint8_t data); inline int pio_read_pin(int port, uint8_t pin); inline void pio_write_pin(int port, uint8_t pin); -- cgit v1.2.1